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Green technologies and chemometric analysis to optimize chlorogenic acid recovery from fennel processing waste
Giulia Basile1, Lucia De Luca1, Martina Calabrese1
1Department of Agricultural Sciences, University of Naples Federico II, Piazza Carlo di Borbone 1, Portici, Italy.
Abstract:
The recovery of bioactive compounds from food waste using green technologies aligns with green chemistry principles. This study compares chlorogenic acid extraction from fennel waste via ultrasound-assisted extraction (UAE) and microwave-assisted extraction (MAE). The optimal conditions were identified by a Box-Behnken design with a response surface methodology. The results revealed the superior efficiency of MAE, likely because of the high fibre content in the matrix, which hinders UAE cavitation. This research highlights the potential of MAEs for creating bioactive-rich products from fennel waste, contributing to sustainable waste valorization practices.
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